Search Results - "Ikeda, Masazumi"
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Relationship of maternal inflammatory response and fetal inflammatory response to duration and intensity of intra-amniotic infection and inflammation
Published in Placenta (Eastbourne) (01-06-2023)“…We aimed to use two indices, amniotic fluid interleukin-6 (IL-6) concentration at diagnosis and diagnosis-to-delivery interval, to clarify the frequencies of…”
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Successful treatment of severe intra‐amniotic inflammation and cervical insufficiency with continuous transabdominal amnioinfusion and cerclage: A case report
Published in The journal of obstetrics and gynaecology research (01-10-2020)“…Severe intra‐amniotic inflammation, even with a negative bacterial culture, can lead to premature labor. We report a 43‐year‐old multiparous woman with severe…”
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Continuous amnioinfusion for treatment of mid‐trimester preterm premature rupture of membranes with oligoamnios
Published in The journal of obstetrics and gynaecology research (01-01-2020)“…Aim Given the scarcity of relevant reports, this study aimed to elucidate whether pregnancy can be prolonged by maintaining the amniotic fluid volume with…”
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Contribution of Fetal Inflammatory Response Syndrome (FIRS) with or without Maternal-Fetal Inflammation in The Placenta to Increased Risk of Respiratory and Other Complications in Preterm Neonates
Published in Biomedicines (01-02-2023)“…This study classifies fetal inflammatory response syndrome (FIRS) based on the presence or absence of maternal-fetal inflammation in the placenta and clarifies…”
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A General Route to Bridged Azabicyclic Compounds Using Radical Translocation/Cyclization Reactions
Published in Heterocycles (2003)Get full text
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Sulfur-Directed Regioselective Radical Cyclization Leading to .beta.-Lactams: Formal Synthesis of (.+-.)-PS-5 and (+)-Thienamycin
Published in Journal of organic chemistry (01-03-1995)Get full text
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Asymmetric Synthesis of β-Hydroxy Acid via Stereoselective Dirhodium(II)-Catalyzed C–H Insertion of α-Alkoxydiazoketone
Published in Chemical & pharmaceutical bulletin (2003)“…A new methodology for the asymmetric synthesis of β-hydroxy acid was developed. Dirhodium(II)-catalyzed C–H insertion of α-alkoxydiazoketone (3), which was…”
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Chemo- and stereoselective dirhodium(II)-catalyzed C-H insertion reaction of 5,6-dioxygenated 2-diazo-3-oxohexanoates: Synthesis of an optically active highly functionalized cyclopentane
Published in Tetrahedron (11-06-1999)“…Methyl ( S)- α-diazo-2,2-dimethyl-β-oxo-1,3-dioxolane-2-butanoate ( 4), upon treatment with dirhodium(II) tetraacetate in refluxing dichloromethane, gave…”
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Sulfur-directed 5- Exo selective aryl radical cyclization onto enamide: A simple route to chilenine
Published in Tetrahedron letters (1995)“…Bu 3SnH-mediated aryl radical cyclization of the N-( o-bromoaroyl)enamine 5 took place in a 5- exo- trig manner exclusively to give isoindolone 7, which was…”
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Cytoprotective Effects of 4, 6-Bis(1H-pyrazol-1-yl)pyrimidine and Related Compounds on HCl·Ethanol-Induced Gastric Lesions in Rats
Published in Chemical & pharmaceutical bulletin (01-03-1997)“…Bis(1H-pyrazol-1-yl)- and bis(1H-imidazol-1-yl)pyrimidines were synthesized and evaluated for cytoprotective effects. Among them, 4,…”
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Ruthenium-catalyzed chlorine atom transfer cyclizations of N-allylic .alpha.-chloro-.alpha.-thioacetamides. Synthesis of (-)-trachelanthamidine and formal total synthesis of (.+-.)-haemanthidine and (.+-.)-pretazettine
Published in Journal of organic chemistry (01-04-1993)Get full text
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A Formal Total Synthesis of (-)-Cephalotaxine
Published in Chemical & pharmaceutical bulletin (01-07-1999)“…A formal total synthesis of (-)-cephalotaxine (1) has been achieved. The key step is an intramolecular aldol condensation of the diketone 9, which in turn was…”
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Synthesis and Cytoprotective Antiulcer Activity of 2- or 4-(1H-Pyrazol-1-yl)pyrimidine Derivatives Related to Mepirizole and Dulcerozine
Published in Chemical & pharmaceutical bulletin (1996)“…(1H-Pyrazol-1-yl)-, (1H-imidazol-1-yl)-, and (1H-1, 2, 4-triazol-1-yl)phrimidines were prepared and evaluated for cytoprotective antiulcer activity. Among…”
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Synthesis of Bridged Benzoazabicyclic Compounds Using Radical Translocation/Cyclization Reactions of 1-Alkynyl-2-(o-iodobenzoyl)tetrahydroisoquinolines
Published in Heterocycles (01-02-2000)Get full text
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Photochemical Rearrangements of 1-Acetyl-1,2-dihydroquinoline-2-carbonitriles to the 3,1-Benzoxazines and Cycloprop[b]indoles
Published in Heterocycles (31-12-1998)Get full text
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Synthesis of Octahydrobenzo[b]furans Using Tandem Conjugate Addition Reactions Initiated by Oxygen Nucleophile
Published in Chemical & pharmaceutical bulletin (1998)“…When 1-nitrocyclohexene (1) was treated with methyl 4-hydroxy-2-butynoate (2) in the presence of potassium tert-butoxide in tetrahydrofuran-tert-butanol at 0°C…”
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Approaches to the Cephalotaxine Skeleton Using an Intramolecular Heck Reaction
Published in Chemical & pharmaceutical bulletin (1998)“…1-[2-(o-Iodophenyl)acetyl]-2-(prop-2-enyl)-2-vinylpyrrolidine (17), upon treatment with palladium(II) acetate [Pd(OAc)2] in the presence of triphenylphosphine…”
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新反応を求めて —含窒素複素環化合物の合成研究を中心に
Published in YAKUGAKU ZASSHI (01-04-2004)“…ハイドロボレーションの発見によって1979年にノーベル化学賞を受賞されたH. C. ブラウン先生1)が, どうしてホウ素の研究を始めたかということについて述べておられる. それによると1936年に先生がシカゴ大学を卒業されたときにクラスメートの女子学生(後に奥様になられた)から卒業記念として一冊の本を贈られた…”
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